[git patch] libata no-works fix (RESEND)

[Jeff Garzik <jeff@garzik.org>]

Resent from yesterday. Please apply, a ton of people are broken because of this.


Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus

to receive the following updates:

 include/linux/libata.h |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

Jeff Garzik (1):
      [libata] revert new check-ready Status register logic

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 7e206da..0f17643 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1384,17 +1384,14 @@ static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)
 
 static inline int ata_check_ready(u8 status)
 {
-	/* Some controllers report 0x77 or 0x7f during intermediate
-	 * not-ready stages.
-	 */
-	if (status == 0x77 || status == 0x7f)
-		return 0;
+	if (!(status & ATA_BUSY))
+		return 1;
 
 	/* 0xff indicates either no device or device not ready */
 	if (status == 0xff)
 		return -ENODEV;
 
-	return !(status & ATA_BUSY);
+	return 0;
 }